Translation:
O son of Kunti, either you will be killed on the battleﬁeld and attain the heavenly planets, or you will conquer and enjoy the earthly kingdom. Therefore, get up with determination and ﬁght.

Purport:
Even though there was no certainty of victory for Arjuna’s side, he still had to ﬁght; for, even being killed there, he could be elevated into the heavenly planets.